//水平垂直居中
.center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.left{
  float:left;
}
.right{
  float: right;
}
.cls{
  clear:both;
}
a {
  text-decoration: none;
}

ul, li, dl, dt, dd, ol {
  list-style: none;
}
@bg-color:#1ab394;
@bg-color-gray:#f7f7f7;
@font-color:#333;
@border-s-color:#e5e6e7;
//@border-m-color: